I. Phonetic: 1. a. algal b. aquatic c. contaminate d. permanent 2. a. thermal b. thankful c. there d. thorough 3. a. pollution b. earplug c. dump d. dust 4. a. untreated b. measure c. pleasure d. bread 5. a. physical b. visual c. music d. because II. Stress. 1. a. affect b. pollution c. effect d. litter 2. a. cholera b. pollutant c. permanent d. groundwater 3. a. radiation b. political c. historical d. contaminant 4. a. seriously b. measurement c. scientific d. logical 5. a. aquatic b. historic c. physical d. botanical III. Put the words in brackets into the right forms to complete the sentences. 1. Many fish in the lake near my house have died because of the …………………water. POLLUTE 2. My friend and I are going to give a presentation about our …………………….problems. ENVIRONMENT 3. Too much use of …………………..lights in cities may cause light pollution. ELECTRICITY 4. Nowadays, people use too much herbicide so many animals don’t have enough food and they become …………………. SICKNESS 5. Oil spills from ships in oceans and rivers lead to the …………………….of many aquatic animals and plants. DIE IV. Choose the best answer. 1. ___water is one of the factors that have driven many species to the verge of extinction. [ Contaminating Contaminate Contamination Contaminated ] 2. It’s recommended that we become more concerned ___the environment around us.[ of to with about] 3. The ___use of pesticides and herbicides has led to contamination of groundwater in some areas. [ widespread occasional general experimental ] 4. Air___, together with littering, is causing many problems in our cities today. [ pollute pollution polluting polluted ] 5. Many people in this city have received medical ___for the disease.[ support treatment help assistance] 6. The reduction in air pollution was ___last year. [ drama dramatize dramatically dramatic ] 7. In many poor nations, there are frequent outbreaks of cholera and other diseases because people there ___untreated water. [ drink to drink drinking drank ] 8. The road in front of my office is always ___ when it rains heavily.[ to flood flooding flood flooded] 9. To much carbon dioxide in the atmosphere causes global ___.[ warm warming warmly warmth ] 10. It won’t be possible to save the Earth if we don’t take ___right now.[ action job work duty ]